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Simplified Transform GIS function by setting output_field.
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@ -425,6 +425,8 @@ class Transform(GeoFunc):
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expression,
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self._handle_param(srid, 'srid', six.integer_types),
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]
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if 'output_field' not in extra:
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extra['output_field'] = GeometryField(srid=srid)
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super(Transform, self).__init__(*expressions, **extra)
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@property
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@ -432,13 +434,6 @@ class Transform(GeoFunc):
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# Make srid the resulting srid of the transformation
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return self.source_expressions[self.geom_param_pos + 1].value
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def convert_value(self, value, expression, connection, context):
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value = super(Transform, self).convert_value(value, expression, connection, context)
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if not connection.ops.postgis and not value.srid:
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# Some backends do not set the srid on the returning geometry
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value.srid = self.srid
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return value
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class Translate(Scale):
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def as_sqlite(self, compiler, connection):
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